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32 GPSMAP 78 Series Owner’s Manual
Customizing Your Device
• —sets the position
format in which a given location
reading appears.
• —sets the coordinate
system on which the map is
structured.
• —shows the
coordinate system the device is
using. The default coordinate
system is WGS 84.
Altimeter Settings
From the main menu, select >
.
• —the altimeter
to self-calibrates each time you turn
the device on.
•
◦ —the
barometer functions while you
are moving.
◦ —the
barometer functions while you
are stationary.
•
◦ —
records pressure data only when
the device is turned on. This
can be useful when you are
watching for pressure fronts.
◦ —records pressure
data every 15 minutes, even
when the device is turned off.
•
◦ —records
elevation changes over a period
of time.
◦ —records
elevation changes over a
distance.
◦ —records
barometric pressure over a
period of time.